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18348127 = 716192
BaseRepresentation
bin100010111111…
…1100001011111
31021112011220021
41011333201133
514144120002
61453133011
7311646040
oct105774137
937464807
1018348127
11a3a2246
12618a167
133a555a5
1426188c7
151926737
hex117f85f

18348127 has 6 divisors (see below), whose sum is σ = 20982248. Its totient is φ = 15717252.

The previous prime is 18348107. The next prime is 18348133. The reversal of 18348127 is 72184381.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-18348127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18348092 and 18348101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10524 + ... + 12142.

Almost surely, 218348127 is an apocalyptic number.

18348127 is a deficient number, since it is larger than the sum of its proper divisors (2634121).

18348127 is an frugal number, since it uses more digits than its factorization.

18348127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 1626 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 18348127 is about 4283.4713726136. The cubic root of 18348127 is about 263.7529014453.

The spelling of 18348127 in words is "eighteen million, three hundred forty-eight thousand, one hundred twenty-seven".

Divisors: 1 7 1619 11333 2621161 18348127